CVE-2026-61845High▾ TwilightCrass : Large numeric exponents cause CPU and memory denial of service
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0 · exploitation 0
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Crass converts CSS scientific notation number values with unbounded exponentiation before it clamps the result to Float::MAX. Applications that use Crass to parse attacker-controlled CSS strings can be forced to spend disproportionate CPU and memory parsing a tiny input, possibly resulting in a crash.
This is fixed in Crass 1.0.7.
crass < 1.0.7Upgrade to a patched release:
crass 1.0.7Connected by shared product, vendor, weakness, or advisory.
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